Form 3 Filing for Marcel Dalby, SVP Bus Optimiz & Collection at Waste Management Inc.

This filing reports on Form 3, Initial Statement of Beneficial Ownership, for Marcel Dalby, Senior Vice President of Business Optimization and Collection at Waste Management Inc. (WM). The report details Dalby's beneficial ownership of WM's common stock and stock options. Specifically, Dalby holds 3609.7289 shares of common stock directly. Additionally, Dalby was granted a stock option under the Waste Management, Inc. 2023 Stock Incentive Plan, with the right to buy common stock at an exercise price of $204.7585. This option vests over three years, with portions vesting on the first, second, and third anniversaries of the grant date. The option is exercisable starting March 1, 2025, and expires on March 1, 2034. The filing is signed by Courtney Tippy as attorney-in-fact for Marcel Dalby, with the report period ending May 13, 2026.